Useful ratios between two-body nonleptonic and semileptonic decays of B mesons

被引：0

作者：

Munoz, J. H. ^{[1
,2
]}

Quintero, N. ^{[1
,3
]}

机构：

[1] Univ Tolima, Dept Fis, Ibague, Colombia

[2] Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil

[3] Inst Politecn Nacl, Ctr Invest & Estudios Avanzados, Dept Fis, Mexico City 07000, DF, Mexico

来源：

REVISTA MEXICANA DE FISICA E | 2011年 / 57卷 / 01期

关键词：

B physics; semileptonic decays; nonleptonic decays; U-SPIN SYMMETRY; FACTORIZATION; TESTS;

D O I：

暂无

中图分类号：

N09 [自然科学史]; B [哲学、宗教];

学科分类号：

01 ; 0101 ; 010108 ; 060207 ; 060305 ; 0712 ;

摘要：

We compute important ratios between decay widths of some exclusive two-body nonleptonic and semileptonic B decays, which could be test of factorization hypothesis. We also present a summary of the expressions of the decay widths and differential decay rates of these decays, at tree level, including l = 0 (ground state), l = 1 (orbitally excited) and n = 2 (radially excited) mesons in the final state. From a general point of view, we consider eight transitions, namely H -> P, V, S, A, A', T, P(2S),V (2S). Our analysis is carried out assuming factorization hypothesis and using the WSB, ISGW and CLFA quark models.

引用

页码：57 / 66

页数：10

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